small broad-leaved dock or rumex obtusifolius highly invasive species with large long oval leaves on side of snow covered road

small broadleaved dock rumex obtusifolius bitter bluntleaf leaf dockens butter perennial herbaceous highly invasive species flowering plants large long light green oval leaves cordate bases rounded tips crisped wavy edges growing side snow covered paved road next wire fence cold snowy winter day plant flower garden nature gardening fresh vegetable flora white flowers agriculture closeup spring farm